Specifications     1.Durable cutter
2.Long lifespan
3.High efficiency/low cost
4.Strictly raw material source
5.Production quality control.

    Thanks for your pay attention to our company! Let me guide a short trip for you!   Diamond Core Drill Bit is a cylinder used for cleaning and fast while extracting the material. 
Small size of core bit uses for sink or pipe/ faucets hole drilling.
Big size of core bit used for plunge cutting out materials of concrete.     TECHRICAL DATA       Finger Drill Bit  

Diameter	Bore	Length	Type
mm	mm	mm
22	1/2 Gas (Male Thread)	30-60	Completed/segmented
25

      Core Drill Bits  

Diameter (mm)	Segment Height	Connection	Working Length
	(mm)		(mm)
6-18	8-10	M14, 5/8"-11, G 1/2" straight shank	60-110
18-400			60-500
Other specifications are available upon request

      QUALITY CONTROL   (1). We test the hardness of the saw blade to check its quality   (2). We check the flatness degree to see if it is up to standard.   (3). We also do some cutting test to check the effect of using.   COMPANY INTRODUCTION   We are the professional manufacturer for diamond tools. The main products are various diamond cutting blades, diamond grinding cup wheels, diamond core bits, diamond rollers and other diamond tools with special shape.   We specialize in manufacturing diamond shaped tools that can be produced according to customer requirements. We can develop kinds of diamond tool parts to match machines for customers. The diamond tools specially used for stone, concrete, asphalt, porcelain, tiles, glass and other construction materials.       Our products are exported to more than 60coutries, including America, Brazil, Italy, Russia, Ukraine, India, Egypt, South Africa Etc.        The principle of "SUNNYTOOLS" is to be our customer's reliable and loyal partners, satisfy each customer with competitive price, stable quality, punctual delivery and perfect service       WHY CHOOSE US?   --We guarantee the good quality control;   --We save energy for you my customers;   --We are professional...   REAL PRODUCTS DIAPLAY                                     Our Services   PAYMENT 1. TT, western union, Money Gram and PayPal 2. 100% payment before delivery 3. To the Bulk order, the L/C is also can consider

SHIPPMENT Delivery time:  Within a week after payment Transport ways choose: a. Urgent order with less weight or samples Sunny recommend express service.
b. Normal (regular) orders which weight over 45kgs Sunny recommend Air Cargo.
c. Big diameter saw blades or heavy weight Sunny recommend Sea Cargo. ABOUT US
     
1. TT, western union, Money Gram and PayPal
2. 100% payment before delivery
3. To the Bulk order, the L/C is also can consider  
SHIPPMENT
Delivery time:  Within a week after payment
Transport ways choose:
a. Urgent order with less weight or samples Sunny recommend express service.
b. Normal (regular) orders which weight over 45kgs Sunny recommend Air Cargo.
c. Big diameter saw blades or heavy weight Sunny recommend Sea Cargo.

KNOW MORE
For expert advice, regarding questions about our company or concerns SUNNY products (diamond tools) please contact us through e-mail or link on: sunnytools.en.alibaba.com/company_profile.html